IRONWOOD PHARMACEUTICALS INC's ticker is IRWD and the CUSIP is 46333X108. A total of 205 filers reported holding IRONWOOD PHARMACEUTICALS INC in Q4 2020. The put-call ratio across all filers is 0.02 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $3,176 | -15.6% | 329,807 | -13.4% | 0.28% | -28.4% |
| Q2 2023 | $3,764 | +7.4% | 380,666 | +14.3% | 0.39% | +2.9% |
| Q1 2023 | $3,504 | +20.4% | 333,094 | +41.8% | 0.38% | -2.3% |
| Q4 2022 | $2,910 | -99.9% | 234,859 | -4.2% | 0.39% | -27.7% |
| Q3 2022 | $2,541,000 | -6.8% | 245,246 | +3.7% | 0.53% | +16.3% |
| Q2 2022 | $2,726,000 | -3.4% | 236,438 | +5.4% | 0.46% | +9.5% |
| Q1 2022 | $2,821,000 | +26.3% | 224,252 | +17.0% | 0.42% | +43.0% |
| Q4 2021 | $2,234,000 | +8.9% | 191,621 | +22.0% | 0.29% | 0.0% |
| Q3 2021 | $2,051,000 | +12.8% | 157,075 | +11.1% | 0.29% | -1.3% |
| Q2 2021 | $1,819,000 | +23.1% | 141,355 | +7.0% | 0.30% | +5.7% |
| Q1 2021 | $1,478,000 | +31.3% | 132,165 | +33.7% | 0.28% | +50.3% |
| Q4 2020 | $1,126,000 | -0.2% | 98,876 | -21.2% | 0.19% | -33.2% |
| Q3 2020 | $1,128,000 | +10.9% | 125,440 | +27.2% | 0.28% | -3.8% |
| Q2 2020 | $1,017,000 | +26.0% | 98,591 | +23.3% | 0.29% | -43.1% |
| Q1 2020 | $807,000 | -32.5% | 79,937 | -11.1% | 0.51% | +72.6% |
| Q4 2019 | $1,196,000 | +13.2% | 89,870 | -27.0% | 0.30% | +3.5% |
| Q3 2019 | $1,057,000 | +1.2% | 123,162 | +29.1% | 0.29% | +62.5% |
| Q2 2019 | $1,044,000 | – | 95,413 | – | 0.18% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| HealthInvest Partners AB | 1,520,000 | $19,562,000 | 18.54% |
| Sarissa Capital Management LP | 16,390,000 | $210,939,000 | 16.77% |
| Healthcare Value Capital, LLC | 200,000 | $2,574,000 | 5.13% |
| Camber Capital Management LP | 7,500,000 | $96,525,000 | 3.25% |
| 13D Management LLC | 650,455 | $8,371,000 | 2.88% |
| BRIDGER MANAGEMENT, LLC | 2,035,114 | $26,192,000 | 2.44% |
| Brown Capital Management | 18,484,759 | $237,899,000 | 1.80% |
| Healthcare Value Capital, LLC | 50,000 | $644,000 | 1.28% |
| Zebra Capital Management LLC | 53,359 | $687,000 | 0.80% |
| PRICE MICHAEL F | 520,000 | $6,692,000 | 0.74% |